Studer D741: Difference between revisions

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|476TTA050M
|ULM47M35
|[https://www.digikey.com/en/products/detail/cornell-dubilier-illinois-capacitor/476TTA050M/5344077 DigiKey] [https://www.mouser.com/ProductDetail/CDE-Illinois-Capacitor/476TTA050M?qs=3tP%252BN51vMXejSivPknQE6A%3D%3D Mouser]
|[https://www.digikey.com/en/products/detail/nte-electronics-inc/ULM47M35/11648612 DigiKey]
|-
|-
|2535
|2535

Revision as of 04:34, 4 February 2023

This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so.
Studer D741
Preliminary Information
Release Year 1996
Leak Risk Low
Batteries None
Mounting Technology Through Hole, SMD, Sockets
Capacitor Types Aluminum Electrolytic, Ceramic
Destructive Entry No

The Studer D741 is a broadcast grade, 2U rack-mountable CD recorder and player.

Disassembly Notes

Tools Needed

  • 3/16 Hex Driver
  • 2.5mm Hex Key
  • Phillips Screwdriver PH1
  • Flat head Screwdriver

Disassembly

Top Cover

  • Disconnect unit from mains
  • Remove 3 screws at the top of the unit, 2 screws on each side, and 3 screws at the upper edge of the rear panel
  • Lift the rear of the top cover and slide it to the rear until it comes off

Main logic board

  • Disconnect all wire harnesses from board. Take care not to damage the thin gauge wires
  • Remove 12 hex screws securing XLR connectors at rear
  • Remove 4 standoffs securing D-SUB connectors to chassis
  • Remove 1 Phillips screw securing SPDIF connectors to chassis
  • Remove 5 hex screws securing the logic board
  • Carefully lift the logic board from the chassis

Power Supply

  • Disconnect all wire harnesses from board.
  • Remove 1 hex screw holding ground bond wire
  • Remove 2 flat-head and 2 hex screws securing metal plate to heatsink
  • Remove 2 hex screws securing IEC connector to chassis
  • Remove 3 hex screws securing board to chassis
  • Carefully lift the board from the chassis

Original Parts

Main Logic Board

Note model numbers and board revisions here

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
2254, 2255, 2430, 2431, 2432, 2433, 2522, 2523, 2524, 2525, 2526, 2527 12 100 µF 16V Through Hole 10mm 13mm 85 °C Aluminum Electrolytic Nichicon MUSE BP
2243, 2245, 2251, 2253, 2425, 2427, 2428, 2462, 2463, 2464, 2465, 2466, 2467, 2468, 2469, 2480, 2481, 2482, 2483, 2484, 2485, 2486, 2487, 2488, 2489, 2490, 2491 27 100 µF 25V Through Hole 6mm 16mm 85 °C Aluminum Electrolytic Nichicon VX
2017, 2018, 2025, 2028, 2031, 2034, 2036, 2038, 2101, 2102, 2104, 2111, 2126, 2150, 2200, 2210, 2214, 2218, 2233, 2236, 2302, 2308, 2312, 2315, 2395, 2396, 2397, 2398, 2472, 2473 30 47 µF 25V Through Hole 5mm 12mm 85 °C Aluminum Electrolytic Nichicon VX
2016, 2022, 2216, 2220, 2231, 2235, 2343 7 10 µF 50V Through Hole 5mm 12mm 85 °C Aluminum Electrolytic Nichicon VX

Power Supply

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
2529, 2530 2 1000 µF 16V Through Hole 10mm 20mm 85 °C Aluminum Electrolytic Panasonic SU
2515, 2524 2 1000 µF 25V Through Hole 12mm 25mm 105 °C Aluminum Electrolytic Nichicon PF
2502, 2517, 2526, 2534 4 47 µF 35V Through Hole 6mm 10mm 85 °C Aluminum Electrolytic Nichicon VX
2535 1 3.3 nF 400V Through Hole Ceramic
2503, 2504, 2505 3 2200 µF 50V Through Hole 18mm 35mm 85 °C Aluminum Electrolytic Nichicon VX
2533 1 470 µF 50V Through Hole 12mm 20mm 85 °C Aluminum Electrolytic Panasonic SU

Replacement Parts

Main Logic Board

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

Power Supply

Capacitors
RefDes Qty Compatible Part Number Order Links
2529, 2530 2 860020375017 / 16ZLH1000MEFC8X20 Digikey Mouser LCSC
2515, 2524 2 25YXJ1000M10X20 DigiKey Mouser LCSC
2502, 2517, 2526, 2534 4 ULM47M35 DigiKey
2535 1 S332M33Z5UN6UJ5R / DCH332Z26Y5VN6BL5A0 DigiKey Mouser LCSC
2503, 2504, 2505 3 UHE1H222MHD6 DigiKey Mouser
2533 1 ESK477M050AH4KA / 50PX470MEFC10X20 DigiKey Mouser LCSC


If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Kits

Additional Images

Related Links

References